org.mustangproject.ZUGFeRD.OXExporterFromA1 Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of library Show documentation
FOSS Java library to read, write and validate european electronic invoices and orders in the UN/CEFACT Cross Industry Invoice based formats Factur-X/ZUGFeRD, XRechnung and Order-X in your invoice PDFs.
The newest version!
/** **********************************************************************
 *
 * Copyright 2020 Jochen Staerk
 *
 * Use is subject to license terms.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *********************************************************************** */
package org.mustangproject.ZUGFeRD;


import java.io.IOException;
import java.io.InputStream;

import org.apache.pdfbox.preflight.PreflightDocument;
import org.apache.pdfbox.preflight.ValidationResult;
import org.apache.pdfbox.preflight.exception.ValidationException;
import org.apache.pdfbox.preflight.parser.PreflightParser;

import jakarta.activation.DataSource;

public class OXExporterFromA1 extends OXExporterFromA3 {
	protected boolean ignorePDFAErrors = false;

	@Override
  public OXExporterFromA1 ignorePDFAErrors() {
		this.ignorePDFAErrors = true;
		return this;
	}

	private static boolean isValidA1(DataSource dataSource) throws IOException {
		return getPDFAParserValidationResult(PreflightParserHelper.createPreflightParser(dataSource));
	}
	/***
	 * internal helper function: get namespace for order-x
	 * @param ver the order-x version
	 * @return the URN of the namespace
	 */
	@Override
  public String getNamespaceForVersion(int ver) {
		return "urn:factur-x:pdfa:CrossIndustryDocument:1p0#";
	}
	/***
	 * internal helper: returns the namespace prefix for the given order-x version number
	 * @param ver the ox version
	 * @return the namespace prefix as string, without colon
	 */
	@Override
  public String getPrefixForVersion(int ver) {
		return "fx";
	}

	private static boolean getPDFAParserValidationResult(PreflightParser parser) throws IOException {
		/*
		 * Parse the PDF file with PreflightParser that inherits from the
		 * NonSequentialParser. Some additional controls are present to check a set of
		 * PDF/A requirements. (Stream length consistency, EOL after some Keyword...)
		 */
		// might add a Format.PDF_A1A as parameter and iterate through A1 and A3

		try (PreflightDocument document = (PreflightDocument) parser.parse()) {
			/*
			 * Once the syntax validation is done, the parser can provide a
			 * PreflightDocument (that inherits from PDDocument) This document process the
			 * end of PDF/A validation.
			 */

			ValidationResult res = document.validate();

			// Get validation result
			return res.isValid();
		} catch (ValidationException e) {
			/*
			 * the parse method can throw a SyntaxValidationException if the PDF file can't
			 * be parsed. In this case, the exception contains an instance of
			 * ValidationResult
			 */
			return false;
		}
	}


	@Override
  public OXExporterFromA1 setProfile(Profile p) {
		return (OXExporterFromA1)super.setProfile(p);
	}
	@Override
  public OXExporterFromA1 setProfile(String profileName) {
		return (OXExporterFromA1)super.setProfile(profileName);
	}

	@Override
  public boolean ensurePDFIsValid(final DataSource dataSource) throws IOException {
		if (!ignorePDFAErrors && !isValidA1(dataSource)) {
			throw new IOException("File is not a valid PDF/A input file");
		}
		return true;
	}

	public OXExporterFromA1() {
		setZUGFeRDVersion(ZUGFeRDExporterFromA3.DefaultZUGFeRDVersion);

	}

	@Override
  public OXExporterFromA1 load(String pdfFilename) throws IOException {
		return (OXExporterFromA1) super.load(pdfFilename);
	}
	@Override
  public OXExporterFromA1 load(byte[] pdfBinary) throws IOException {
		return (OXExporterFromA1) super.load(pdfBinary);
	}
	@Override
  public OXExporterFromA1 load(InputStream pdfSource) throws IOException{
		return (OXExporterFromA1) super.load(pdfSource);
	}
	@Override
  public OXExporterFromA1 setCreator(String creator) {
		return (OXExporterFromA1) super.setCreator(creator);
	}
	@Override
  public OXExporterFromA1 setConformanceLevel(PDFAConformanceLevel newLevel) {
		return (OXExporterFromA1) super.setConformanceLevel(newLevel);
	}
	@Override
  public OXExporterFromA1 setProducer(String producer){
		return (OXExporterFromA1) super.setProducer(producer);
	}
	@Override
  public OXExporterFromA1 setZUGFeRDVersion(int version){
		return (OXExporterFromA1) super.setZUGFeRDVersion(version);
	}
	@Override
  public OXExporterFromA1 setXML(byte[] zugferdData) throws IOException{
		return (OXExporterFromA1) super.setXML(zugferdData);
	}

	@Override
  public OXExporterFromA1 disableAutoClose(boolean disableAutoClose){
		return (OXExporterFromA1) super.disableAutoClose(disableAutoClose);
	}
	public OXExporterFromA1 convertOnly() {
		setAttachZUGFeRDHeaders(false);
		return this;
	}

}